GSD-2022-1000771 net: fix up skbs delta_truesize in UDP GRO frag_list
A flaw in Linux Kernel UDP GRO handling allows remote attackers to cause a denial of service via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000771?
GSD-2022-1000771 is a denial of service vulnerability in Kernel, published on 18 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net: fix up skbs delta_truesize in UDP GRO frag_list
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.27 by commit 3a65b82b1ef28ec97233e77e93a265035f948ea5, it was introduced in version v5.11 by commit 53475c5dd856212e91538a9501162e821cc1f791. For more details please see the references link.
Which versions are affected by GSD-2022-1000771?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000771?
No fix has been published for GSD-2022-1000771 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1000771 being exploited?
There is no known exploitation of GSD-2022-1000771 in the wild and no public exploit code.